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Sucrose-epichlorohydrin copolymer (Polysucrose 400)

Cat No.:V65477 Purity: ≥98%
Sucrose-epichlorohydrin copolymer works as a macromolecular crowding reagent to promote protein phase separation (LLPS).
Sucrose-epichlorohydrin copolymer (Polysucrose 400)
Sucrose-epichlorohydrin copolymer (Polysucrose 400) Chemical Structure CAS No.: 26873-85-8
Product category: Biochemical Assay Reagents
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
5g
Other Sizes
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Product Description
Sucrose-epichlorohydrin copolymer works as a macromolecular crowding reagent to promote protein phase separation (LLPS).
Sucrose-epichlorohydrin copolymer (Polysucrose 400, Ficoll, CAS 26873-85-8) is a biochemical reagent and polymer used in life science research. It is a synthetic, crosslinked macromolecule formed by reacting sucrose with epichlorohydrin, producing a stable, hydrophilic polymer network. The compound is a nonionic synthetic copolymer derived from sucrose and epichlorohydrin and is primarily utilized in biological and biochemical applications, particularly in cell separation and isolation processes. It works as a macromolecular crowding reagent to promote protein phase separation (LLPS). It appears as a white or off-white powder or solid and is soluble in water.
Biological Activity I Assay Protocols (From Reference)
Targets
The primary target of sucrose-epichlorohydrin copolymer is not a specific biological receptor but rather the cellular environment. It works as a macromolecular crowding reagent to promote protein liquid-liquid phase separation (LLPS). By creating a crowded environment, it influences protein-protein interactions, protein folding, and biomolecular condensation. The compound's porous structure and high surface area make it ideal for cell separation and isolation processes. It cannot penetrate cell membranes, making it suitable for density gradient centrifugation and other cell separation techniques.
ln Vitro
In vitro, sucrose-epichlorohydrin copolymer is used as a macromolecular crowding reagent to promote protein phase separation. It is primarily utilized in biological and biochemical applications, particularly in cell separation and isolation processes. The compound's porous structure and high surface area make it ideal for these applications. It is used in density gradient centrifugation for the separation of cells, subcellular organelles, and other biological particles. The compound cannot penetrate cell membranes, making it suitable for these applications.
ln Vivo
In vivo data for sucrose-epichlorohydrin copolymer is limited, as it is primarily used as a research reagent for in vitro applications. The compound is classified for research use only and is not intended for human or veterinary therapeutic applications. Its primary applications are in cell separation and protein phase separation studies. The compound's large molecular weight (3×10⁵ to 5×10⁵ for Polysucrose 400) and inability to penetrate cell membranes limit its in vivo applications. Specific in vivo data is not available in the public literature.
Enzyme Assay
In vitro assays for sucrose-epichlorohydrin copolymer typically evaluate its effectiveness as a macromolecular crowding reagent or as a density gradient medium. A standard protocol for cell separation involves preparing a density gradient using the compound dissolved in buffer. Cells or biological particles are layered on top of the gradient and centrifuged. Different cell types or particles separate based on their density. For protein phase separation studies, the compound is added to protein solutions at varying concentrations. Protein condensation is assessed by turbidity measurements, microscopy, or other methods. The compound's effectiveness is evaluated based on separation efficiency or phase separation induction.
Cell Assay
Cellular assays for sucrose-epichlorohydrin copolymer typically involve cell separation and isolation. A standard protocol involves preparing a density gradient using the compound in appropriate buffer. Cells are layered on top of the gradient and centrifuged at specific speeds for defined durations. Different cell populations are collected from different density layers. Cell viability and purity are assessed using trypan blue exclusion, flow cytometry, or other methods. The compound's effectiveness is evaluated based on cell recovery and purity.
Animal Protocol
In vivo animal studies for sucrose-epichlorohydrin copolymer are not standard, as it is primarily used as an in vitro research reagent. The compound is classified for research use only and is not intended for human or veterinary therapeutic applications. Any animal studies would be limited to evaluating the compound's effects as a macromolecular crowding agent or its pharmacokinetics. The compound's large molecular weight and inability to penetrate cell membranes limit its in vivo applications. Specific in vivo protocols are not available in the public literature.
ADME/Pharmacokinetics
Pharmacokinetic data for sucrose-epichlorohydrin copolymer is limited, as it is primarily used as an in vitro research reagent. The compound has a molecular weight range of 3×10⁵ to 5×10⁵ for Polysucrose 400 and 6×10⁴ to 8×10⁴ for Polysucrose 70. It is a solid at room temperature and is soluble in water. The compound cannot penetrate cell membranes. As a large polymer, it is not expected to be absorbed systemically. Specific ADME data is not available.
Toxicity/Toxicokinetics
The sucrose-epichlorohydrin copolymer is generally considered safe for research use. The compound is classified for research use only and is not intended for human or veterinary therapeutic applications. Standard safety precautions include handling with appropriate personal protective equipment (gloves, lab coat, safety goggles) in a well-ventilated area. The compound should be stored in a dry, cool place away from incompatible materials. Acute toxicity data is not readily available in the public literature. As with all research chemicals, appropriate laboratory safety practices should be followed.
References
[1]. Simon Alberti, et al. Considerations and Challenges in Studying Liquid-Liquid Phase Separation and Biomolecular Condensates. Cell. 2019 Jan 24;176(3):419-434.
Additional Infomation
The sucrose-epichlorohydrin copolymer (Polysucrose 400, Ficoll, CAS 26873-85-8) is a biochemical reagent and polymer used in life science research. It is a nonionic synthetic copolymer derived from sucrose and epichlorohydrin. It works as a macromolecular crowding reagent to promote protein phase separation and is used in cell separation and isolation processes. The compound is classified as a research-use-only compound not intended for diagnostic or therapeutic purposes. It is available from multiple commercial suppliers.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
200-334-9
Molecular Weight
号MFCD00081599
Exact Mass
434.119
CAS #
26873-85-8
Related CAS #
26873-85-8
PubChem CID
88330506
Appearance
Colorless to light yellow solid powder
Hydrogen Bond Donor Count
8
Hydrogen Bond Acceptor Count
12
Rotatable Bond Count
6
Heavy Atom Count
28
Complexity
433
Defined Atom Stereocenter Count
9
SMILES
C1C(O1)CCl.C([C@@H]1[C@H]([C@@H]([C@H]([C@H](O1)O[C@]2([C@H]([C@@H]([C@H](O2)CO)O)O)CO)O)O)O)O
InChi Key
IACFXVUNKCXYJM-AKSHDPDZSA-N
InChi Code
InChI=1S/C12H22O11.C3H5ClO/c13-1-4-6(16)8(18)9(19)11(21-4)23-12(3-15)10(20)7(17)5(2-14)22-12;4-1-3-2-5-3/h4-11,13-20H,1-3H2;3H,1-2H2/t4-,5-,6-,7-,8+,9-,10+,11-,12+;/m1./s1
Chemical Name
2-(chloromethyl)oxirane;(2R,3R,4S,5S,6R)-2-[(2S,3S,4S,5R)-3,4-dihydroxy-2,5-bis(hydroxymethyl)oxolan-2-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
H2O: 100 mg/mL
Solubility (In Vivo)
Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples.

Injection Formulations
(e.g. IP/IV/IM/SC)
Injection Formulation 1: DMSO : Tween 80: Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution 50 μL Tween 80 850 μL Saline)
*Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution.
Injection Formulation 2: DMSO : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO 400 μLPEG300 50 μL Tween 80 450 μL Saline)
Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO 900 μL Corn oil)
Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals).
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Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO 900 μL (20% SBE-β-CD in saline)]
*Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.
Injection Formulation 5: 2-Hydroxypropyl-β-cyclodextrin : Saline = 50 : 50 (i.e. 500 μL 2-Hydroxypropyl-β-cyclodextrin 500 μL Saline)
Injection Formulation 6: DMSO : PEG300 : castor oil : Saline = 5 : 10 : 20 : 65 (i.e. 50 μL DMSO 100 μLPEG300 200 μL castor oil 650 μL Saline)
Injection Formulation 7: Ethanol : Cremophor : Saline = 10: 10 : 80 (i.e. 100 μL Ethanol 100 μL Cremophor 800 μL Saline)
Injection Formulation 8: Dissolve in Cremophor/Ethanol (50 : 50), then diluted by Saline
Injection Formulation 9: EtOH : Corn oil = 10 : 90 (i.e. 100 μL EtOH 900 μL Corn oil)
Injection Formulation 10: EtOH : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL EtOH 400 μLPEG300 50 μL Tween 80 450 μL Saline)


Oral Formulations
Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium)
Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose
Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals).
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Oral Formulation 3: Dissolved in PEG400
Oral Formulation 4: Suspend in 0.2% Carboxymethyl cellulose
Oral Formulation 5: Dissolve in 0.25% Tween 80 and 0.5% Carboxymethyl cellulose
Oral Formulation 6: Mixing with food powders


Note: Please be aware that the above formulations are for reference only. InvivoChem strongly recommends customers to read literature methods/protocols carefully before determining which formulation you should use for in vivo studies, as different compounds have different solubility properties and have to be formulated differently.

 (Please use freshly prepared in vivo formulations for optimal results.)
Calculator

Molarity Calculator allows you to calculate the mass, volume, and/or concentration required for a solution, as detailed below:

  • Calculate the Mass of a compound required to prepare a solution of known volume and concentration
  • Calculate the Volume of solution required to dissolve a compound of known mass to a desired concentration
  • Calculate the Concentration of a solution resulting from a known mass of compound in a specific volume
An example of molarity calculation using the molarity calculator is shown below:
What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
  • Enter 350.26 in the Molecular Weight (MW) box
  • Enter 10 in the Concentration box and choose the correct unit (mM)
  • Enter 5 in the Volume box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
  • Enter 10 into the Concentration (Start) box and choose the correct unit (mM)
  • Enter 25 into the Concentration (End) box and select the correct unit (mM)
  • Enter 25 into the Volume (End) box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

Molecular Weight Calculator allows you to calculate the molar mass and elemental composition of a compound, as detailed below:

Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
Instructions to calculate molar mass (molecular weight) of a chemical compound:
  • To calculate molar mass of a chemical compound, please enter the chemical/molecular formula and click the “Calculate’ button.
Definitions of molecular mass, molecular weight, molar mass and molar weight:
  • Molecular mass (or molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
  • Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
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Reconstitution Calculator allows you to calculate the volume of solvent required to reconstitute your vial.

  • Enter the mass of the reagent and the desired reconstitution concentration as well as the correct units
  • Click the “Calculate” button
  • The answer appears in the Volume (to add to vial) box
In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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Calculation results

Working concentration mg/mL;

Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.

Method for preparing in vivo formulation:Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
             (2) Be sure to add the solvent(s) in order.

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